$OpenBSD: patch-doc_Makefile_in,v 1.26 2016/04/20 18:38:41 robert Exp $
--- doc/Makefile.in.orig	Wed Apr 20 15:02:27 2016
+++ doc/Makefile.in	Wed Apr 20 19:54:15 2016
@@ -766,7 +766,7 @@ zarafa.0: manual.xml
 	@${AM_V_GEN} if [ -z "$(PROG_XMLTO)" ]; then \
 		echo Please install xmlto to generate manual pages; \
 	else \
-		LC_ALL=en_US.UTF-8 $(PROG_XMLTO) man ${srcdir}/manual.xml && \
+		LC_ALL=C $(PROG_XMLTO) man ${srcdir}/manual.xml && \
 		touch $@; \
 	fi
 
